
function fun1(){
	document.getElementById("one").style="display:block"
	document.getElementById("two").style="display:none"
	document.getElementById("three").style="display:none"
	document.getElementById("four").style="display:none"
}
function fun2(){
	document.getElementById("one").style="display:none"
	document.getElementById("two").style="display:block"
	document.getElementById("three").style="display:none"
	document.getElementById("four").style="display:none"
}
function fun3(){
	document.getElementById("one").style="display:none"
	document.getElementById("two").style="display:none"
	document.getElementById("three").style="display:block"
	document.getElementById("four").style="display:none"
}
function fun4(){
	document.getElementById("one").style="display:none"
	document.getElementById("two").style="display:none"
	document.getElementById("three").style="display:none"
	document.getElementById("four").style="display:block"
}
